Rút gọn P = \frac{\sqrt{x-3} + \sqrt{x-2}}{\sqrt{x-2} + \sqrt{x+3}} - \frac{9 - x}{(\sqrt{x-2})(\sqrt{x+3})} \) \((\sqrt{x-3})(\sqrt{x+3})
Rút gọn
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4)
\( P = \frac{\sqrt{x-3} + \sqrt{x-2}}{\sqrt{x-2} + \sqrt{x+3}} - \frac{9 - x}{(\sqrt{x-2})(\sqrt{x+3})} \)
\((\sqrt{x-3})(\sqrt{x+3}),\)
\[
= \frac{9 - x (\sqrt{x-3})(\sqrt{x+3})}{(\sqrt{x-2})(\sqrt{x+3})}
\]